#include <cs50.h>
#include <stdio.h>

int main () {
	printf("\n   ");
	for (int i = 1; i <= 10; i++) {
		printf("%d  ", i);
	}
	printf("\n");

	for (int i = 0; i < 10; i++) {
		printf("%c  ", 'A' +  i);
		for (int j = 1; j <=10; j++) {
			printf("0  ");
		}
		printf("\n");
	}
	printf("\n");
}
